It's just an informal short form of work "Okay"

Generic off-brand, Cheap Shoes

A sarcastic way of saying "okay"
Synonyms include "if you say so"

someone who doesnt know what they are talking about; stupid, idiotic

term used to represent redneck oklahoma kids who are conceitedly obsessed with themselves and taking pictures with their shirts off, yet are extremely unattractive to all. Often misused to represent "okay."

Shorter way of saying okay

A kewl gaming cat. Long version is Okinesu, contracted from Tomo's nickname.